threaded gate valve Description
Threaded gate valve is a shut-off valve installed by threaded connection. Its core component is the vertically moving gate, which controls the on and off of the pipeline medium by lifting and lowering.
Advantages
Excellent sealing performance
Metal hard seals can withstand pressures above 5MPa, and soft seals achieve zero leakage (leakage level reaches VI level)
Compact structure
The height is only 1/3 of the same caliber stop valve, suitable for pipeline installation with limited space
Strong medium adaptability
Can handle water, air, oil and weakly corrosive media (need to match the valve body material)
Outstanding economic efficiency
Compared with flange valves, the procurement cost is reduced by more than 30%, and no welding equipment is required for installation.
threaded gate valve Specification
Diameter range
Conventional cast iron/steel threaded gate valve: DN15-DN400 (mainstream application is below DN50)
Soft seal threaded gate valve: DN15-DN50 (limited by thread connection strength)
Pressure level
Cast iron material: PN10-PN16
Stainless steel/special alloy material: up to PN25
Applicable temperature
Metal seal type: -29℃~425℃ (depending on the seal material)
Soft seal type (EPDM/NBR rubber): -20℃~120℃
threaded gate valve
Industry applications and pain points solved
| Industry | Application | Problems solved |
|---|---|---|
| Building water supply and drainage system | Hot and cold water pipes, fire sprinkler system | Leakage prevention control, meeting drinking water hygiene standards |
| Heating, Ventilation and Air Conditioning (HVAC) | Chilled water circulation, thermal network | Reduce the impact of thermal expansion and contraction and simplify pipeline layout |
| Chemical/Pharmaceutical | Weakly corrosive media transportation (stainless steel material required) | Avoid medium contamination and adapt to frequent opening and closing requirements |
| Agricultural irrigation | Drip irrigation system branch pipe control | Prevents sand and mud jams and reduces maintenance costs |
| Municipal pipe network | Branch pipe flow cut-off | Reduce water hammer effect and extend the service life of the pipe network |
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